150W | 19.5V | 7.7A | NEMA 1-15P (North America) |N-Barrel Connector (5.5 mm outside diameter / 2.5 mm inside diameter) This 150W AC/DC power supply can provide a power source for any electronic device that has an N-type barrel and requires 19.5 volts and up to 7.7 amps of power. Replace Your Failed or Lost Power Adapter The power supply is a perfect replacement for the lost or damaged 19.5-volt 7.7-amp power adapter you've used to power your existing electronics. Keep a spare power adapter on hand When downtime isn't an option, keeping spare power adapters on hand ensures that you won't be left waiting for a replacement to arrive or have to replace your devices just for the sake of a compatible power source. This 19.5V 7.7A DC power supply is a direct replacement for the power adapters included with the following StarTech.com products: DK30C2DPEP Laptop Docking Station DK30C2DPPD Laptop Docking Station DK31C3HDPD Laptop Docking Station DK30CH2DEP Laptop Docking Station DK30CH2DPPD Laptop Docking Station DK30CHDDPPD Laptop Docking Station DK30CHHPD Laptop Docking Station DK30CHDPD Laptop Docking Station MST30C2HHPD Laptop Docking Station This product is backed for 3-years by StarTech.com, including free lifetime 24/5 multi-lingual technical assistance. The StarTech.com Advantage